ARM: shmobile: emev2: enable PMU(Performance Monitoring Unit)

This patch enables PMU(Performance Monitoring Unit) for emev2.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>

diff --git a/arch/arm/configs/kzm9d_defconfig b/arch/arm/configs/kzm9d_defconfig
index 26146ffea1a50d2860ffcc2b647da7ea8c8a3bcb..8c49df66cac3401d73d71fd41ad573259b3de036 100644 (file)
--- a/arch/arm/configs/kzm9d_defconfig
+++ b/arch/arm/configs/kzm9d_defconfig
@@ -8,6 +8,7 @@ CONFIG_LOG_BUF_SHIFT=16
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
 CONFIG_SLAB=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_IOSCHED_DEADLINE is not set

diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c
index dae9aa68bb0996da98014ab093732ce411572b61..61446f30e397df38a45857e3b38c5d0b9f41c652 100644 (file)
--- a/arch/arm/mach-shmobile/setup-emev2.c
+++ b/arch/arm/mach-shmobile/setup-emev2.c
@@ -356,6 +356,26 @@ static struct platform_device gio4_device = {
        },
 };
 
+static struct resource pmu_resources[] = {
+       [0] = {
+               .start  = 152,
+               .end    = 152,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [1] = {
+               .start  = 153,
+               .end    = 153,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device pmu_device = {
+       .name           = "arm-pmu",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(pmu_resources),
+       .resource       = pmu_resources,
+};
+
 static struct platform_device *emev2_early_devices[] __initdata = {
        &uart0_device,
        &uart1_device,
@@ -370,6 +390,7 @@ static struct platform_device *emev2_late_devices[] __initdata = {
        &gio2_device,
        &gio3_device,
        &gio4_device,
+       &pmu_device,
 };
 
 void __init emev2_add_standard_devices(void)